Fluid-pressure brake



- Jan. 12 1926.

INVENTOR WILLIAM EDEAN W. E. DEAN= FLUID P-RESSURE ERA-KE Filed Feb. 24, 1925 i ATTORNEY the h'zzhe eylinder through said 'etaiiing Vive device and having a position for Venting fluid from the brake cyliude' through a restricted passage directly to the atmosphe'e.

A 'etaining Vaive device comprising a retaining vaive and a manually operated valve having one position fol' directing the flow ot' fluid through a, restricted port directly to the atmosphe'e, and another position in which fluid fiows through said restricted port and past said retaining vaive to the atnospherc.

3. A vaive devce for cont'oiling the exhaust of uid from the brake cylnder com prising it retaining Valve and u manually operated 'vaive having one position for directly conneeting the exhaut from the breke cyiinder to' the tmophere through a restricted port, and another position in which the breke cyli'n'der exhaust flows through said restricted port, past said retaining val ve, and through a second restricted port to the atmosphere.

In testimony whe'eof I have hereunto set my hand. r

WILLIAM E. DEAN. 

